Finding the Fourth Proportional to 257,121.77, 385,931.43 and 124,095.68
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Solution
The fourth proportional to 257,121.77, 385,931.43 and 124,095.68 is: 186,263.59
Step by Step Solution
- Step 1: Write the proportion equation
257,121.77 : 385,931.43 = 124,095.68 : x - Step 2: Convert to fraction form
257,121.77/385,931.43 = 124,095.68/x - Step 3: Cross multiply
257,121.77x = 385,931.43 × 124,095.68 - Step 4: Simplify right side
257,121.77x = 47,892,423,239.22 - Step 5: Solve for x
x = 47,892,423,239.22/257,121.77 - Step 6: Final answer
x = 186,263.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.